Corn producers in eastern Iowa should expect to see changes in corn rootworm behavior. The variant of the western corn rootworm has now been confirmed in eight Iowa counties. Their presence may influence corn producer management decisions, especially in corn rotated with soybeans.
Iowa State University
Rice, Marlin E. and Tollefson, Jon J., "The variant western corn rootworm in Iowa" (2006). Integrated Crop Management News. 1208.
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